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Using vagrant to run virtual machines with desktop environment
...etter experience, I recommend these improvements:
Don't start the GUI as root. You really want to stay the vagrant user. To do this you need to permit anyone to start the GUI: sudo vim /etc/X11/Xwrapper.config and edit it to allowed_users=anybody.
Next, install the VirtualBox guest tools before st...
Avoid duplicates in INSERT INTO SELECT query in SQL Server
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In MySQL you can do this:
INSERT IGNORE INTO Table2(Id, Name) SELECT Id, Name FROM Table1
Does SQL Server have anything similar?
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Can I store the .git folder outside the files I want tracked?
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Note that you can only issue git commands from the root of your repo. Going into subfolders confuses it! (This happens whether or not the given value for gitdir is relative or absolute.)
– joachim
Apr 18 '12 at 12:15
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How to format all Java files in an Eclipse project at one time?
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Right click on the project root and select Source -> Format. This should work for at least version 3.8.1. and above.
If the above does not work, you're probably using an older Eclipse-version. In such case you can select your Source Folders by clic...
Oracle SQL Query for listing all Schemas in a DB
...an a schema = user ? and under that user all the tables created same like MySQL ?
– Osama Al-Banna
Jun 15 '16 at 14:12
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Which is the preferred way to concatenate a string in Python?
...rns. And this is just yet another reason why premature optimization is the root of all evil. Don't use a technique that's supposed "faster" unless you first measure it.
Therefore the "best" version to do string concatenation is to use + or +=. And if that turns out to be slow for you, which is pret...
Hibernate error - QuerySyntaxException: users is not mapped [from users]
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Some Linux based MySQL installations require case sensitive. Work around is to apply nativeQuery.
@Query(value = 'select ID, CLUMN2, CLUMN3 FROM VENDOR c where c.ID = :ID', nativeQuery = true)
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Adding days to $Date in PHP
I have a date returned as part of a mySQL query in the form 2010-09-17
9 Answers
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Complex numbers usage in python [closed]
...at isn't confusing enough, some use 'i' to represent the "positive" square root of one, whereas 'j' is the "negative" square root of one. Thus i == -j. FYJ...
– jvriesem
Sep 16 '16 at 4:28
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Access a variable outside the scope of a Handlebars.js each loop
...an use absolute path like this:
<option value="{{id}}">{{title}} {{@root.user.path.to.externalValue}}</option>
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